217299483 has 16 divisors (see below), whose sum is σ = 330627360. Its totient is φ = 140950368.

The previous prime is 217299473. The next prime is 217299487. The reversal of 217299483 is 384992712.

It is not a de Polignac number, because 217299483 - 2²⁰ = 216250907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (217299487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107760 + ... + 109757.

It is an arithmetic number, because the mean of its divisors is an integer number (20664210).

Almost surely, 2^217299483 is an apocalyptic number.

217299483 is a deficient number, since it is larger than the sum of its proper divisors (113327877).

217299483 is a wasteful number, since it uses less digits than its factorization.

217299483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217563 (or 217557 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 217299483 is about 14741.0814732163. The cubic root of 217299483 is about 601.2008201151.

The spelling of 217299483 in words is "two hundred seventeen million, two hundred ninety-nine thousand, four hundred eighty-three".